package com.undead.gulimall.product.exception;

import com.undead.common.exception.BizCodeEnum;
import com.undead.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.properties.bind.BindResult;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

//集中处理所有异常
@Slf4j
//@ControllerAdvice(basePackages ="com.undead.gulimall.product.controller")
//@RequestBody
// RestControllerAdvice 上面俩的合体
@RestControllerAdvice(basePackages = "com.undead.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{},异常类型:{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();


        //FieldError 获取到错误提示
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        }));

        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("错误",throwable);
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
